128547720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1759}}^1$

素因数の和:1812

約数の個数: 192

約数和(自身を含む): 494208000

約数和(自身を除く): 365660280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 29, 30, 35, 36, 40, 42, 45, 56, 58, 60, 63, 70, 72, 84, 87, 90, 105, 116, 120, 126, 140, 145, 168, 174, 180, 203, 210, 232, 252, 261, 280, 290, 315, 348, 360, 406, 420, 435, 504, 522, 580, 609, 630, 696, 812, 840, 870, 1015, 1044, 1160, 1218, 1260, 1305, 1624, 1740, 1759, 1827, 2030, 2088, 2436, 2520, 2610, 3045, 3480, 3518, 3654, 4060, 4872, 5220, 5277, 6090, 7036, 7308, 8120, 8795, 9135, 10440, 10554, 12180, 12313, 14072, 14616, 15831, 17590, 18270, 21108, 24360, 24626, 26385, 31662, 35180, 36540, 36939, 42216, 49252, 51011, 52770, 61565, 63324, 70360, 73080, 73878, 79155, 98504, 102022, 105540, 110817, 123130, 126648, 147756, 153033, 158310, 184695, 204044, 211080, 221634, 246260, 255055, 295512, 306066, 316620, 357077, 369390, 408088, 443268, 459099, 492520, 510110, 554085, 612132, 633240, 714154, 738780, 765165, 886536, 918198, 1020220, 1071231, 1108170, 1224264, 1428308, 1477560, 1530330, 1785385, 1836396, 2040440, 2142462, 2216340, 2295495, 2856616, 3060660, 3213693, 3570770, 3672792, 4284924, 4432680, 4590990, 5356155, 6121320, 6427386, 7141540, 8569848, 9181980, 10712310, 12854772, 14283080, 16068465, 18363960, 21424620, 25709544, 32136930, 42849240, 64273860, 128547720]

約数ペア:

[(1, 128547720), (2, 64273860), (3, 42849240), (4, 32136930), (5, 25709544), (6, 21424620), (7, 18363960), (8, 16068465), (9, 14283080), (10, 12854772), (12, 10712310), (14, 9181980), (15, 8569848), (18, 7141540), (20, 6427386), (21, 6121320), (24, 5356155), (28, 4590990), (29, 4432680), (30, 4284924), (35, 3672792), (36, 3570770), (40, 3213693), (42, 3060660), (45, 2856616), (56, 2295495), (58, 2216340), (60, 2142462), (63, 2040440), (70, 1836396), (72, 1785385), (84, 1530330), (87, 1477560), (90, 1428308), (105, 1224264), (116, 1108170), (120, 1071231), (126, 1020220), (140, 918198), (145, 886536), (168, 765165), (174, 738780), (180, 714154), (203, 633240), (210, 612132), (232, 554085), (252, 510110), (261, 492520), (280, 459099), (290, 443268), (315, 408088), (348, 369390), (360, 357077), (406, 316620), (420, 306066), (435, 295512), (504, 255055), (522, 246260), (580, 221634), (609, 211080), (630, 204044), (696, 184695), (812, 158310), (840, 153033), (870, 147756), (1015, 126648), (1044, 123130), (1160, 110817), (1218, 105540), (1260, 102022), (1305, 98504), (1624, 79155), (1740, 73878), (1759, 73080), (1827, 70360), (2030, 63324), (2088, 61565), (2436, 52770), (2520, 51011), (2610, 49252), (3045, 42216), (3480, 36939), (3518, 36540), (3654, 35180), (4060, 31662), (4872, 26385), (5220, 24626), (5277, 24360), (6090, 21108), (7036, 18270), (7308, 17590), (8120, 15831), (8795, 14616), (9135, 14072), (10440, 12313), (10554, 12180)]